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The wall is 500 sq. feet. A gallon of paint covers 160 sq. feet. What is an appropriate conversion factor to help determine how many gallons will be needed to paint the wall?

Respuesta :

Answer:

Explanation:

Given

Wall is [tex]500 ft^2[/tex] in area

[tex]160\ ft^2[/tex] requires 1 gallon of paint

so using unitary method

[tex]1\ ft^2 requires \frac{1}{160}[/tex]   gallon of paint

[tex]500 ft^2[/tex] wall will require [tex]=500\times \frac{1}{160}[/tex] gallons of paint

[tex]=3.0125\ gallons[/tex]

   

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